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[5.1] Form: Add regex validation rule (#42657)
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<?php | ||
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/** | ||
* Joomla! Content Management System | ||
* | ||
* @copyright (C) 2024 Open Source Matters, Inc. <https://www.joomla.org> | ||
* @license GNU General Public License version 2 or later; see LICENSE.txt | ||
*/ | ||
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namespace Joomla\CMS\Form\Rule; | ||
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use Joomla\CMS\Form\Form; | ||
use Joomla\CMS\Form\FormRule; | ||
use Joomla\Registry\Registry; | ||
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// phpcs:disable PSR1.Files.SideEffects | ||
\defined('_JEXEC') or die; | ||
// phpcs:enable PSR1.Files.SideEffects | ||
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/** | ||
* Form Rule class for the Joomla Platform. | ||
* | ||
* @since __DEPLOY_VERSION__ | ||
*/ | ||
class RegexRule extends FormRule | ||
{ | ||
/** | ||
* Method to test the value. | ||
* | ||
* @param \SimpleXMLElement $element The SimpleXMLElement object representing the `<field>` tag for the form field object. | ||
* @param mixed $value The form field value to validate. | ||
* @param string $group The field name group control value. This acts as an array container for the field. | ||
* For example if the field has name="foo" and the group value is set to "bar" then the | ||
* full field name would end up being "bar[foo]". | ||
* @param ?Registry $input An optional Registry object with the entire data set to validate against the entire form. | ||
* @param ?Form $form The form object for which the field is being tested. | ||
* | ||
* @return boolean True if the value is valid, false otherwise. | ||
* | ||
* @since __DEPLOY_VERSION__ | ||
* @throws \UnexpectedValueException if rule is invalid. | ||
*/ | ||
public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null) | ||
{ | ||
if ((string) $element['validate_regex']) { | ||
$this->regex = (string) $element['validate_regex']; | ||
} | ||
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if ((string) $element['validate_modifier']) { | ||
$this->modifiers = (string) $element['validate_modifier']; | ||
} | ||
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return parent::test($element, $value, $group, $input, $form); | ||
} | ||
} |